Johannes Gutenberg, Creator of the Printing Press, Realized While at a Wine

Multiple Choice

Johannes Gutenberg, creator of the printing press, realized while at a wine harvest that the mechanical pressure used to crush grapes could also be used to imprint letters on paper, which illustrates that incubation is especially fruitful when you

A) are exposed to external cues that relate to the problem.
B) are allowed time to "thin-slice" possible solutions.
C) develop a prototype through convergent thinking.
D) can create mental sets from external cues.